Derivative Instruments and Hedging Activities - Other Comprehensive Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Accumulated Other Comprehensive Income [Roll Forward] | ||||
| Beginning balance | $ (10,006) | $ 15,103 | $ (10,791) | $ 2,346 |
| Amount reclassified to earnings | 125 | (1,736) | 1,652 | (2,773) |
| Net change in unrealized gains or losses | 2,290 | (18,982) | 1,548 | (5,188) |
| Ending balance | $ (7,591) | $ (5,615) | $ (7,591) | $ (5,615) |
| X | ||||||||||
- Definition AOCI, Cash Flow Hedge, Cumulative Gain (Loss), Before Tax No definition available.
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| X | ||||||||||
- Definition Accumulated Other Comprehensive Income [Roll Forward] No definition available.
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| X | ||||||||||
- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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